Upgrade your power backup with the APC Replacement Battery Cartridge 18. This robust 9000 mAh, 12 V DC lead-acid battery is designed for seamless hot-swapping, ensuring you can replace it without downtime. With a minimum lifespan of 3 years, this reliable battery guarantees long-lasting performance for your devices. Its sleek black design fits perfectly into your existing APC systems, providing peace of mind during power outages. Keep your equipment running smoothly and efficiently with this essential battery cartridge. Perfect for home or office use!